I %AFEIY COMES FIRST RC Helicopter fliers present potential invited give care ful consideration material Life limb involved John Preston WE STATED previous column received Ed Farabaugh some safety tips regarding RC Helicopters Since Canada attending Scale World Champion ships time normally write column indebted Ed contribution reproduced its entirety RC Helicopterssome thoughts safety based observation personal experience common sense RC Helicopters have some unique character istics can flown almost anywhere close quarters skill pilot per mits can flown slowlyeven zero airspeed characteristics may have tendency make Helicopter appear relatively safe ignore speed mass rotor systems hovering machine doesnt look particularly dan gerous disregard possibility however remote mechanical electronic failure wouldnt concerned ignore possi bility pilot being distracted tripping over curb concentrating machine danger wouldnt obvious pilot ob served standing just few feet hovering machine under precise control spectator may hesitate approach much closer look could startle pilot cause mishap characteristics mind knowledge some inherent dangers asso ciated RC Helicopters following guidelines presented 1 Dont fly alone Smart swimmers dont swim alone helper doesnt have pilot should know control specta tors drive phone help case accident 2 Dont start engine until machine screws have secured Locktite equi valent locknuts 3 Dont attempt fly until have thor oughly checked radio system mechanical linkages especially after less-thansoft touchdown 4 Periodically check devises ball socket connectors subject wear replaced necessary will come apart machine flying 5 Get know carburetor Dont fly few feet off ground until engine up operating temperature 4 5 minutes idle mixture adjustment impor tant beyond half-throttle position carburetor may go lean wont have enough power get machine down safely 6 Dont trim machine lifting off holding tail looks easy tail rotor can nick knuckles mains can remove small section arm reflexes would knock machine out controL little care adverse trim characteristics can detected just before just after liftoff safe distance machine isnt right can safely set down correction 7 When new components installed rotor system anchor machine securely ground cant lift off lower pitch degree two run machine up higher-than-normal rpm few minutes stand near Helicopter during test Maintain distance least 75 feet Strict spectator control must 8 If blade axles strap-type blade mounts have bent during mishap throw away might able straighten perfectly have fatigued might fail flight 9 If Helicopter vibrates noticeably time dont continue fly sudden change vibration level land immediately check Out everything secure lift off care fully check tip tracking correct machine still vibrating shut down look problem blade balance bent shaft loose broken engine mount control linkage problem Something causing vibra tion should found corrected before further flight attempted Vibration can destroy radio system slightly bent shaft can go wild flying speed happens might destroy Helicopter 10 Pay close attention battery maintenance Helicopters use flight-pack energy airplanes Four five servos running time can empty battery quickly Find some understands batteries teach about maintenance 11 Helicopters have way attracting children dogs Dont start engine proper crowd control Designate safe location spectators can observe Tell wander around machine off ground Explain cant keep track movements concentrating flying Dont fly children bicycles area machine goes Out control may able get out its way bicycles 12 Dont fly close buildings it windy Adverse air currents can knock machine out control 13 Stay away telephone poles wires can cause big trouble 14 If fly metropolitan area dont forget someone may shoot down car boat transmitter may another Helicopter flier around Make point find out others operating area dont fly club site find Out dont fly closer th-an five miles RC field Its own private frequency receiver may confused another nearby transmitter 15 Listen Helicopter hear strange sound machine may trying tell something 16 If notice giitch set down turn off receiver engine until determine cause See Radio Trouble Shooting section below suspect radio problem flying get down kill engine receiverquickly battery drops below critical voltage engine could go full throttle Radio Trouble Shooting notice abnormal servo movement during flight possible causes I Someone may frequency engine off receiver turn off transmitter momentarily see receiver picking up stray signals 2 You may suffering metal-to-metalgenerated radio noise Search entire machine loose bolt something will allow metal rub metal engine running Pay particular attention landing gear attaching parts use metal devises metal throttle lever 3 Your transmitter radiation may marginal because low voltage other causes engine off range-check system antenna partially collapsed 4 You may have run engine various speeds find problem anchor machine securely groundas #7 above start engine run up speed Watch abnormal servo movement moving controls slowly stick positions may suffering dirty servo potentiometers dirty broken wires connectors broken antenna solder joints receiver switch might culprit 5 The problem might caused static elec tricity generated tail rotor bladesJf youre sure run ground wire mounting lug positive terminal battery 6 Your antenna may picking up reflections other components have metal tail boom antenna runs parallel try allowing antenna hang straight down front machine corrects symp tom will have re-route antenna Route far rest radio system possible wrap antenna coil inside machine radio will work fine until its 10 15 feet awaythen chopper will crash 7 If have new modelor new radio receiver may too sensitive particularly its high-priced radio may have ask sets manufacturer de-sensitize receiver slightly 8 If cant find cause radio problem contact radio expert someone has lot experience variety Heli copter-related radio problems Model Helicopters can dangerous theyre under control lack of inexperienced pilot inexperienced ground crew Careful attention detail during regular Continued page 120 November 1980 53 Still Using bid Fashioned Wing Hinges will gain control efficiency eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 PT LENGTHS SMALL 1/8 OR LARGE 114 PRICE 3 ft $250 WIRE LS VK WIRE WHEELS ED & REALISTIC Custom built seamless machined rims Delrin beerings two sizes 8 Nieuport & Triplane 95 5 Proctor models63595 Send 50d complete literature price list kits ac cessories QUALITY R/C PRODUCTS SINCE 1960 em 0 0 ZS B33 consolidation dominated Cessna CR-3 John Stott Chambermaid Gordon Roberts Hughes racer Allan Schanzle rest entries flew well enough win events normally truly race champions lot excitement generated events truly Flying Aces trademark three days FAC Nats drew close good-byes until next over good feeling pervaded fliers had privilege being partici pating present contest contest Larry Kruse put NON-contest cant leave however before giving special thanks great people made possible Dave Stott Bob Thompson FAC GHQ Frank Scott Contest Director Dick Donna Meizell did groundwork Dayton thanks also Lin Juanita Reichel helped table Vic Didelot Dave Shipton able judging staff Phyllis Warner spent hours sun recording event film Jim Mills spent hours bedroom/darkroom make bringing coverageto possible issue no small service cause See 1982 FAC Nats Mk 111 AFLGOG EASY TO INSTALL CUT 1/4 DEEP SLIT ALONG 5 TNG FLILL LEA/Gre UE TAS MATING 6YRFACES ASt4LL Hat/GE USE SONAIGHT HIM 10 MAKE S444LL hOLE EVERY At/CC OR SODRIP CYAAONGqI-LAYE NiLE 45/ hOLESCAPILAKY ACOLW VRLL CARRY GLUE A/ORG PA/TIME JORT EVERY FEW RiCHES 017 OFF FLUSH FILL ANG SANG AS ArEOPO FOR FINISHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 pickup vent tubes down corner seal up baffle back Most profile-type tanks have five holes baffle allow fuel smaller hopper two 3/32 holes will job holes let centrifugal force push fuel slowly resist letting large amounts out during maneuvers neat vent-work will wasted tank isnt perfectly sealed Hookup syringe vents use pressurize tank piece tubing can connect pickup tube other vent should no leakage youre like cant solder very well get some soldering acid help clean metal didnt Dont try soldering tank some sissy gun designed miniature electrical purposes Get heavy-duty fire breather can melt high-tin-content solder Ed note use 150watt iron Go easy solder because makes better tail weight nose weight good engine/tank/plane combo still no good unless know work op ponent come too strong razzle dazzle like Howard Rush Fast Cornbat may just scare him checking out landscape thus depriving fun running up 700-point score worse have guy panic bellcrank fiveminute match very long time youre down cut two will opportunities get back cuts best opponents get behind air time cuts youve got keep him line press hard crashes hits desperation few things next time youre flying type Combat 1 Go inverted low dare opponent pulls behind 6 altitude think up another trick Flying level inverted just bad flying level upright 2 Fly upwind youve trimmed model properly youll have no problem opponents plane floats oblivion 3 Use sun advantage Polaroid glasses will take some sting out flying directly sun 4 Run away opponents will realize youve split other side circle Most fliers expect flying certain portion circle Dont practice make real attempt change position maneuvers Go around little farther start outside loop best fliers dont anything twiceat least no recognizes second time Charlie Johnson 3716 Ingraham St San Dzego CA 92109 CL ScalelGretz Continued page 52 Ill confess having puzzled few years back heard referred GoodyearFG Corsair thought correct nomenclature Chance VoughtF4UCorsair Salvatore Amicos photo model Corsair prompted -esearch true scale facts again Chance Vought company did indeed design develop build Corsair F4U-lD widely used version war 2250 hp top speed 425 mphIn order keep up demand battlefield further production F4U licensed Brewster Aircraft Goodyear companies aircraft turned Out identical F4U-lDs though Brewster Goodyear different designations products production ceased final tally Chance Vought F4U-l 7830 Brewster F3A-lD 735 Goodyear FG-1D 4017 Total production 12582 Regardless plant came Corsairs effectiveness combat legendary destroyed 2140 Japanese aircraft losing 189 own kill-loss ratio 113 1 Before war over Japanese referring Corsair Whist ling Death Mike Gretz Box 162 Montezumn IA 50171 Safety Preston Continued page 53 inspections can worth lot hours enjoy able flight same set rotor blades hobby/sport RC Helicopters can very rewarding machine under total controlat times Ed Farabaugh have friend carries scar hand attests Eds statement Helicopters can dangerous Dont underestimate hazard 1 20 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slois 4 Sizes Balsa 5 V E $250 CL Combat/Johnson Continued page 51 RIC HELICOPTER BREAKTHROUGH Learning properly set up fly R/G Helicopter has difficult say least unless someone experience set up spent hours training fly Now Available Complete Setup Flight Training cassettes first lift off aerobatics Rank beginners using method have learned hover less gallon fuel Available *z 2594 North Orange Blossom Trail ndo Florida 32804 305 422 1531 Res305-647-1335 [IInu EngineIKITS S PLANS 0 ACCESSORIES Make UBUE Diesel 1 iRARACS,4jP-NUT KITS NYLON BEARINGS Usable Power Greater EconomytCa mr4cBROWN CO-2 ENGINES 14A 1/4 Scale Power ~ L JAPANESS TISSUE-PROPS Send 4O & Stamped 0 free Brochure 449 MANY HARD TO FIND ITEMS IAddressed Envelope17 SPAN 4COMPLETECATALOG$100 l1 Davis Diesel Development Inc-po BOX 108A STATENIS NY 10306 Dealer Inquiry InvItedLEISURE TIME GRAPHICS BOX 141 Mllford CT 06460W BOX 2498 AMLA MESA CALIF 92041 Helicopter because its lack translational velocity during hover rotor possesses enough kinetic energy some real damage should come contact As postscript column word warning fliers ducted fan powered models recently learned modeler now missing two joints middle finger result contact fan adjusting engine needle valve extremely careful during type operation better still consider adding extension needle valve can adjusted exterior model Experience wonderful thing enables recognize mistake make again Seen Pat Wickert sugar package Sky-Nauts annual banquet might agree statement would rather didnt make mistake first place See next month John Preston 7012 Elvira Court Falls Church Va 22042 CLWC Gen/Jackson Continued page 54 cars gone ahead main group ran afoul road conditions ended up Polish landscape its occupants model equipment much wetter experience Fortunately alt dam age resulting delay put everyone bed about 4 am Wroclaw Poland However tone seemingly set incident rainy weather near misses appeared norm rest stay following day trig Czestochowa completed registered settled comfortably large student dormitories town Living eating arrangements high standard throughout stay probably fed meat local citizens what recent meat shortage aside occasional cold shower rooms quite comfortable Unfortunately facilities training practice flights less satisfactory Al though local organizers done best arrange adequate practice areas few coun tries have number large parking lots actual contest site still being finished off-limits us main practice area Aerobatics Team Racing parking area next large high-rise housing development resulting hordes small children foot bicycles being attracted area As kids likely country crowded around models modelers frequently darted through circle just before ready launch no hurt matter good luck think good management rain came down depressing regular ity boot winds blew rather fiercely times Evenings spent drying shoes clothes repairing models well frantic conferences about what propeller might give some additional speed fuel tank worked New Jersey didnt work Poland fairly normal activity World Championships signs pointed toward US teams being good positions welL Aerobatics team strong usual seemed certain win teem title open question appeared would win individual title Speed team also seemed strong Luke Roy posting very fast time practiceusing less best equipment other two Charles Lieber Bob Spahr suffering assorted iMs thought would get sorted out time Team Racers appeared running expected AlbrittomPerkins circulating consistently high speed McCollum/Kusik running fast some inconsistency Jackson/Nelson going slow steady Combat team harder predict especially Paul Curtis coming last-minute sub stitute additional disadvantage having familiar pitmen George Cleveland Phil Granderson looked ready however high hopes opening day contest site itself situated sports stadium apparently used motorcycle racing Combat flown two large grass circles within stadium plenty area pits helpers spectators Speed Team Race circles immediately outside appeared permanent sites completely enclosed fencing timer stands line pit areas individual pit cages team Aerobatics area around stadium end converted parking area roped-off circle fairly open some turbulence-inducing obstacles near circle surfaces good asphalt well marked off respective events Continued page 123 IN MEMORIAM L GONZOPH 2 NO 3196 APRIL 281924 AUGUST 12 1980 .A GREAT MODEL BUILDER SADLY MISSED BY HIS FAMILY AND FRIENDS -¶RJ ej November 1980 1 21
Edition: Model Aviation - 1980/11
Page Numbers: 53, 120, 121
I %AFEIY COMES FIRST RC Helicopter fliers present potential invited give care ful consideration material Life limb involved John Preston WE STATED previous column received Ed Farabaugh some safety tips regarding RC Helicopters Since Canada attending Scale World Champion ships time normally write column indebted Ed contribution reproduced its entirety RC Helicopterssome thoughts safety based observation personal experience common sense RC Helicopters have some unique character istics can flown almost anywhere close quarters skill pilot per mits can flown slowlyeven zero airspeed characteristics may have tendency make Helicopter appear relatively safe ignore speed mass rotor systems hovering machine doesnt look particularly dan gerous disregard possibility however remote mechanical electronic failure wouldnt concerned ignore possi bility pilot being distracted tripping over curb concentrating machine danger wouldnt obvious pilot ob served standing just few feet hovering machine under precise control spectator may hesitate approach much closer look could startle pilot cause mishap characteristics mind knowledge some inherent dangers asso ciated RC Helicopters following guidelines presented 1 Dont fly alone Smart swimmers dont swim alone helper doesnt have pilot should know control specta tors drive phone help case accident 2 Dont start engine until machine screws have secured Locktite equi valent locknuts 3 Dont attempt fly until have thor oughly checked radio system mechanical linkages especially after less-thansoft touchdown 4 Periodically check devises ball socket connectors subject wear replaced necessary will come apart machine flying 5 Get know carburetor Dont fly few feet off ground until engine up operating temperature 4 5 minutes idle mixture adjustment impor tant beyond half-throttle position carburetor may go lean wont have enough power get machine down safely 6 Dont trim machine lifting off holding tail looks easy tail rotor can nick knuckles mains can remove small section arm reflexes would knock machine out controL little care adverse trim characteristics can detected just before just after liftoff safe distance machine isnt right can safely set down correction 7 When new components installed rotor system anchor machine securely ground cant lift off lower pitch degree two run machine up higher-than-normal rpm few minutes stand near Helicopter during test Maintain distance least 75 feet Strict spectator control must 8 If blade axles strap-type blade mounts have bent during mishap throw away might able straighten perfectly have fatigued might fail flight 9 If Helicopter vibrates noticeably time dont continue fly sudden change vibration level land immediately check Out everything secure lift off care fully check tip tracking correct machine still vibrating shut down look problem blade balance bent shaft loose broken engine mount control linkage problem Something causing vibra tion should found corrected before further flight attempted Vibration can destroy radio system slightly bent shaft can go wild flying speed happens might destroy Helicopter 10 Pay close attention battery maintenance Helicopters use flight-pack energy airplanes Four five servos running time can empty battery quickly Find some understands batteries teach about maintenance 11 Helicopters have way attracting children dogs Dont start engine proper crowd control Designate safe location spectators can observe Tell wander around machine off ground Explain cant keep track movements concentrating flying Dont fly children bicycles area machine goes Out control may able get out its way bicycles 12 Dont fly close buildings it windy Adverse air currents can knock machine out control 13 Stay away telephone poles wires can cause big trouble 14 If fly metropolitan area dont forget someone may shoot down car boat transmitter may another Helicopter flier around Make point find out others operating area dont fly club site find Out dont fly closer th-an five miles RC field Its own private frequency receiver may confused another nearby transmitter 15 Listen Helicopter hear strange sound machine may trying tell something 16 If notice giitch set down turn off receiver engine until determine cause See Radio Trouble Shooting section below suspect radio problem flying get down kill engine receiverquickly battery drops below critical voltage engine could go full throttle Radio Trouble Shooting notice abnormal servo movement during flight possible causes I Someone may frequency engine off receiver turn off transmitter momentarily see receiver picking up stray signals 2 You may suffering metal-to-metalgenerated radio noise Search entire machine loose bolt something will allow metal rub metal engine running Pay particular attention landing gear attaching parts use metal devises metal throttle lever 3 Your transmitter radiation may marginal because low voltage other causes engine off range-check system antenna partially collapsed 4 You may have run engine various speeds find problem anchor machine securely groundas #7 above start engine run up speed Watch abnormal servo movement moving controls slowly stick positions may suffering dirty servo potentiometers dirty broken wires connectors broken antenna solder joints receiver switch might culprit 5 The problem might caused static elec tricity generated tail rotor bladesJf youre sure run ground wire mounting lug positive terminal battery 6 Your antenna may picking up reflections other components have metal tail boom antenna runs parallel try allowing antenna hang straight down front machine corrects symp tom will have re-route antenna Route far rest radio system possible wrap antenna coil inside machine radio will work fine until its 10 15 feet awaythen chopper will crash 7 If have new modelor new radio receiver may too sensitive particularly its high-priced radio may have ask sets manufacturer de-sensitize receiver slightly 8 If cant find cause radio problem contact radio expert someone has lot experience variety Heli copter-related radio problems Model Helicopters can dangerous theyre under control lack of inexperienced pilot inexperienced ground crew Careful attention detail during regular Continued page 120 November 1980 53 Still Using bid Fashioned Wing Hinges will gain control efficiency eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 PT LENGTHS SMALL 1/8 OR LARGE 114 PRICE 3 ft $250 WIRE LS VK WIRE WHEELS ED & REALISTIC Custom built seamless machined rims Delrin beerings two sizes 8 Nieuport & Triplane 95 5 Proctor models63595 Send 50d complete literature price list kits ac cessories QUALITY R/C PRODUCTS SINCE 1960 em 0 0 ZS B33 consolidation dominated Cessna CR-3 John Stott Chambermaid Gordon Roberts Hughes racer Allan Schanzle rest entries flew well enough win events normally truly race champions lot excitement generated events truly Flying Aces trademark three days FAC Nats drew close good-byes until next over good feeling pervaded fliers had privilege being partici pating present contest contest Larry Kruse put NON-contest cant leave however before giving special thanks great people made possible Dave Stott Bob Thompson FAC GHQ Frank Scott Contest Director Dick Donna Meizell did groundwork Dayton thanks also Lin Juanita Reichel helped table Vic Didelot Dave Shipton able judging staff Phyllis Warner spent hours sun recording event film Jim Mills spent hours bedroom/darkroom make bringing coverageto possible issue no small service cause See 1982 FAC Nats Mk 111 AFLGOG EASY TO INSTALL CUT 1/4 DEEP SLIT ALONG 5 TNG FLILL LEA/Gre UE TAS MATING 6YRFACES ASt4LL Hat/GE USE SONAIGHT HIM 10 MAKE S444LL hOLE EVERY At/CC OR SODRIP CYAAONGqI-LAYE NiLE 45/ hOLESCAPILAKY ACOLW VRLL CARRY GLUE A/ORG PA/TIME JORT EVERY FEW RiCHES 017 OFF FLUSH FILL ANG SANG AS ArEOPO FOR FINISHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 pickup vent tubes down corner seal up baffle back Most profile-type tanks have five holes baffle allow fuel smaller hopper two 3/32 holes will job holes let centrifugal force push fuel slowly resist letting large amounts out during maneuvers neat vent-work will wasted tank isnt perfectly sealed Hookup syringe vents use pressurize tank piece tubing can connect pickup tube other vent should no leakage youre like cant solder very well get some soldering acid help clean metal didnt Dont try soldering tank some sissy gun designed miniature electrical purposes Get heavy-duty fire breather can melt high-tin-content solder Ed note use 150watt iron Go easy solder because makes better tail weight nose weight good engine/tank/plane combo still no good unless know work op ponent come too strong razzle dazzle like Howard Rush Fast Cornbat may just scare him checking out landscape thus depriving fun running up 700-point score worse have guy panic bellcrank fiveminute match very long time youre down cut two will opportunities get back cuts best opponents get behind air time cuts youve got keep him line press hard crashes hits desperation few things next time youre flying type Combat 1 Go inverted low dare opponent pulls behind 6 altitude think up another trick Flying level inverted just bad flying level upright 2 Fly upwind youve trimmed model properly youll have no problem opponents plane floats oblivion 3 Use sun advantage Polaroid glasses will take some sting out flying directly sun 4 Run away opponents will realize youve split other side circle Most fliers expect flying certain portion circle Dont practice make real attempt change position maneuvers Go around little farther start outside loop best fliers dont anything twiceat least no recognizes second time Charlie Johnson 3716 Ingraham St San Dzego CA 92109 CL ScalelGretz Continued page 52 Ill confess having puzzled few years back heard referred GoodyearFG Corsair thought correct nomenclature Chance VoughtF4UCorsair Salvatore Amicos photo model Corsair prompted -esearch true scale facts again Chance Vought company did indeed design develop build Corsair F4U-lD widely used version war 2250 hp top speed 425 mphIn order keep up demand battlefield further production F4U licensed Brewster Aircraft Goodyear companies aircraft turned Out identical F4U-lDs though Brewster Goodyear different designations products production ceased final tally Chance Vought F4U-l 7830 Brewster F3A-lD 735 Goodyear FG-1D 4017 Total production 12582 Regardless plant came Corsairs effectiveness combat legendary destroyed 2140 Japanese aircraft losing 189 own kill-loss ratio 113 1 Before war over Japanese referring Corsair Whist ling Death Mike Gretz Box 162 Montezumn IA 50171 Safety Preston Continued page 53 inspections can worth lot hours enjoy able flight same set rotor blades hobby/sport RC Helicopters can very rewarding machine under total controlat times Ed Farabaugh have friend carries scar hand attests Eds statement Helicopters can dangerous Dont underestimate hazard 1 20 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slois 4 Sizes Balsa 5 V E $250 CL Combat/Johnson Continued page 51 RIC HELICOPTER BREAKTHROUGH Learning properly set up fly R/G Helicopter has difficult say least unless someone experience set up spent hours training fly Now Available Complete Setup Flight Training cassettes first lift off aerobatics Rank beginners using method have learned hover less gallon fuel Available *z 2594 North Orange Blossom Trail ndo Florida 32804 305 422 1531 Res305-647-1335 [IInu EngineIKITS S PLANS 0 ACCESSORIES Make UBUE Diesel 1 iRARACS,4jP-NUT KITS NYLON BEARINGS Usable Power Greater EconomytCa mr4cBROWN CO-2 ENGINES 14A 1/4 Scale Power ~ L JAPANESS TISSUE-PROPS Send 4O & Stamped 0 free Brochure 449 MANY HARD TO FIND ITEMS IAddressed Envelope17 SPAN 4COMPLETECATALOG$100 l1 Davis Diesel Development Inc-po BOX 108A STATENIS NY 10306 Dealer Inquiry InvItedLEISURE TIME GRAPHICS BOX 141 Mllford CT 06460W BOX 2498 AMLA MESA CALIF 92041 Helicopter because its lack translational velocity during hover rotor possesses enough kinetic energy some real damage should come contact As postscript column word warning fliers ducted fan powered models recently learned modeler now missing two joints middle finger result contact fan adjusting engine needle valve extremely careful during type operation better still consider adding extension needle valve can adjusted exterior model Experience wonderful thing enables recognize mistake make again Seen Pat Wickert sugar package Sky-Nauts annual banquet might agree statement would rather didnt make mistake first place See next month John Preston 7012 Elvira Court Falls Church Va 22042 CLWC Gen/Jackson Continued page 54 cars gone ahead main group ran afoul road conditions ended up Polish landscape its occupants model equipment much wetter experience Fortunately alt dam age resulting delay put everyone bed about 4 am Wroclaw Poland However tone seemingly set incident rainy weather near misses appeared norm rest stay following day trig Czestochowa completed registered settled comfortably large student dormitories town Living eating arrangements high standard throughout stay probably fed meat local citizens what recent meat shortage aside occasional cold shower rooms quite comfortable Unfortunately facilities training practice flights less satisfactory Al though local organizers done best arrange adequate practice areas few coun tries have number large parking lots actual contest site still being finished off-limits us main practice area Aerobatics Team Racing parking area next large high-rise housing development resulting hordes small children foot bicycles being attracted area As kids likely country crowded around models modelers frequently darted through circle just before ready launch no hurt matter good luck think good management rain came down depressing regular ity boot winds blew rather fiercely times Evenings spent drying shoes clothes repairing models well frantic conferences about what propeller might give some additional speed fuel tank worked New Jersey didnt work Poland fairly normal activity World Championships signs pointed toward US teams being good positions welL Aerobatics team strong usual seemed certain win teem title open question appeared would win individual title Speed team also seemed strong Luke Roy posting very fast time practiceusing less best equipment other two Charles Lieber Bob Spahr suffering assorted iMs thought would get sorted out time Team Racers appeared running expected AlbrittomPerkins circulating consistently high speed McCollum/Kusik running fast some inconsistency Jackson/Nelson going slow steady Combat team harder predict especially Paul Curtis coming last-minute sub stitute additional disadvantage having familiar pitmen George Cleveland Phil Granderson looked ready however high hopes opening day contest site itself situated sports stadium apparently used motorcycle racing Combat flown two large grass circles within stadium plenty area pits helpers spectators Speed Team Race circles immediately outside appeared permanent sites completely enclosed fencing timer stands line pit areas individual pit cages team Aerobatics area around stadium end converted parking area roped-off circle fairly open some turbulence-inducing obstacles near circle surfaces good asphalt well marked off respective events Continued page 123 IN MEMORIAM L GONZOPH 2 NO 3196 APRIL 281924 AUGUST 12 1980 .A GREAT MODEL BUILDER SADLY MISSED BY HIS FAMILY AND FRIENDS -¶RJ ej November 1980 1 21
Edition: Model Aviation - 1980/11
Page Numbers: 53, 120, 121
I %AFEIY COMES FIRST RC Helicopter fliers present potential invited give care ful consideration material Life limb involved John Preston WE STATED previous column received Ed Farabaugh some safety tips regarding RC Helicopters Since Canada attending Scale World Champion ships time normally write column indebted Ed contribution reproduced its entirety RC Helicopterssome thoughts safety based observation personal experience common sense RC Helicopters have some unique character istics can flown almost anywhere close quarters skill pilot per mits can flown slowlyeven zero airspeed characteristics may have tendency make Helicopter appear relatively safe ignore speed mass rotor systems hovering machine doesnt look particularly dan gerous disregard possibility however remote mechanical electronic failure wouldnt concerned ignore possi bility pilot being distracted tripping over curb concentrating machine danger wouldnt obvious pilot ob served standing just few feet hovering machine under precise control spectator may hesitate approach much closer look could startle pilot cause mishap characteristics mind knowledge some inherent dangers asso ciated RC Helicopters following guidelines presented 1 Dont fly alone Smart swimmers dont swim alone helper doesnt have pilot should know control specta tors drive phone help case accident 2 Dont start engine until machine screws have secured Locktite equi valent locknuts 3 Dont attempt fly until have thor oughly checked radio system mechanical linkages especially after less-thansoft touchdown 4 Periodically check devises ball socket connectors subject wear replaced necessary will come apart machine flying 5 Get know carburetor Dont fly few feet off ground until engine up operating temperature 4 5 minutes idle mixture adjustment impor tant beyond half-throttle position carburetor may go lean wont have enough power get machine down safely 6 Dont trim machine lifting off holding tail looks easy tail rotor can nick knuckles mains can remove small section arm reflexes would knock machine out controL little care adverse trim characteristics can detected just before just after liftoff safe distance machine isnt right can safely set down correction 7 When new components installed rotor system anchor machine securely ground cant lift off lower pitch degree two run machine up higher-than-normal rpm few minutes stand near Helicopter during test Maintain distance least 75 feet Strict spectator control must 8 If blade axles strap-type blade mounts have bent during mishap throw away might able straighten perfectly have fatigued might fail flight 9 If Helicopter vibrates noticeably time dont continue fly sudden change vibration level land immediately check Out everything secure lift off care fully check tip tracking correct machine still vibrating shut down look problem blade balance bent shaft loose broken engine mount control linkage problem Something causing vibra tion should found corrected before further flight attempted Vibration can destroy radio system slightly bent shaft can go wild flying speed happens might destroy Helicopter 10 Pay close attention battery maintenance Helicopters use flight-pack energy airplanes Four five servos running time can empty battery quickly Find some understands batteries teach about maintenance 11 Helicopters have way attracting children dogs Dont start engine proper crowd control Designate safe location spectators can observe Tell wander around machine off ground Explain cant keep track movements concentrating flying Dont fly children bicycles area machine goes Out control may able get out its way bicycles 12 Dont fly close buildings it windy Adverse air currents can knock machine out control 13 Stay away telephone poles wires can cause big trouble 14 If fly metropolitan area dont forget someone may shoot down car boat transmitter may another Helicopter flier around Make point find out others operating area dont fly club site find Out dont fly closer th-an five miles RC field Its own private frequency receiver may confused another nearby transmitter 15 Listen Helicopter hear strange sound machine may trying tell something 16 If notice giitch set down turn off receiver engine until determine cause See Radio Trouble Shooting section below suspect radio problem flying get down kill engine receiverquickly battery drops below critical voltage engine could go full throttle Radio Trouble Shooting notice abnormal servo movement during flight possible causes I Someone may frequency engine off receiver turn off transmitter momentarily see receiver picking up stray signals 2 You may suffering metal-to-metalgenerated radio noise Search entire machine loose bolt something will allow metal rub metal engine running Pay particular attention landing gear attaching parts use metal devises metal throttle lever 3 Your transmitter radiation may marginal because low voltage other causes engine off range-check system antenna partially collapsed 4 You may have run engine various speeds find problem anchor machine securely groundas #7 above start engine run up speed Watch abnormal servo movement moving controls slowly stick positions may suffering dirty servo potentiometers dirty broken wires connectors broken antenna solder joints receiver switch might culprit 5 The problem might caused static elec tricity generated tail rotor bladesJf youre sure run ground wire mounting lug positive terminal battery 6 Your antenna may picking up reflections other components have metal tail boom antenna runs parallel try allowing antenna hang straight down front machine corrects symp tom will have re-route antenna Route far rest radio system possible wrap antenna coil inside machine radio will work fine until its 10 15 feet awaythen chopper will crash 7 If have new modelor new radio receiver may too sensitive particularly its high-priced radio may have ask sets manufacturer de-sensitize receiver slightly 8 If cant find cause radio problem contact radio expert someone has lot experience variety Heli copter-related radio problems Model Helicopters can dangerous theyre under control lack of inexperienced pilot inexperienced ground crew Careful attention detail during regular Continued page 120 November 1980 53 Still Using bid Fashioned Wing Hinges will gain control efficiency eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 PT LENGTHS SMALL 1/8 OR LARGE 114 PRICE 3 ft $250 WIRE LS VK WIRE WHEELS ED & REALISTIC Custom built seamless machined rims Delrin beerings two sizes 8 Nieuport & Triplane 95 5 Proctor models63595 Send 50d complete literature price list kits ac cessories QUALITY R/C PRODUCTS SINCE 1960 em 0 0 ZS B33 consolidation dominated Cessna CR-3 John Stott Chambermaid Gordon Roberts Hughes racer Allan Schanzle rest entries flew well enough win events normally truly race champions lot excitement generated events truly Flying Aces trademark three days FAC Nats drew close good-byes until next over good feeling pervaded fliers had privilege being partici pating present contest contest Larry Kruse put NON-contest cant leave however before giving special thanks great people made possible Dave Stott Bob Thompson FAC GHQ Frank Scott Contest Director Dick Donna Meizell did groundwork Dayton thanks also Lin Juanita Reichel helped table Vic Didelot Dave Shipton able judging staff Phyllis Warner spent hours sun recording event film Jim Mills spent hours bedroom/darkroom make bringing coverageto possible issue no small service cause See 1982 FAC Nats Mk 111 AFLGOG EASY TO INSTALL CUT 1/4 DEEP SLIT ALONG 5 TNG FLILL LEA/Gre UE TAS MATING 6YRFACES ASt4LL Hat/GE USE SONAIGHT HIM 10 MAKE S444LL hOLE EVERY At/CC OR SODRIP CYAAONGqI-LAYE NiLE 45/ hOLESCAPILAKY ACOLW VRLL CARRY GLUE A/ORG PA/TIME JORT EVERY FEW RiCHES 017 OFF FLUSH FILL ANG SANG AS ArEOPO FOR FINISHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 pickup vent tubes down corner seal up baffle back Most profile-type tanks have five holes baffle allow fuel smaller hopper two 3/32 holes will job holes let centrifugal force push fuel slowly resist letting large amounts out during maneuvers neat vent-work will wasted tank isnt perfectly sealed Hookup syringe vents use pressurize tank piece tubing can connect pickup tube other vent should no leakage youre like cant solder very well get some soldering acid help clean metal didnt Dont try soldering tank some sissy gun designed miniature electrical purposes Get heavy-duty fire breather can melt high-tin-content solder Ed note use 150watt iron Go easy solder because makes better tail weight nose weight good engine/tank/plane combo still no good unless know work op ponent come too strong razzle dazzle like Howard Rush Fast Cornbat may just scare him checking out landscape thus depriving fun running up 700-point score worse have guy panic bellcrank fiveminute match very long time youre down cut two will opportunities get back cuts best opponents get behind air time cuts youve got keep him line press hard crashes hits desperation few things next time youre flying type Combat 1 Go inverted low dare opponent pulls behind 6 altitude think up another trick Flying level inverted just bad flying level upright 2 Fly upwind youve trimmed model properly youll have no problem opponents plane floats oblivion 3 Use sun advantage Polaroid glasses will take some sting out flying directly sun 4 Run away opponents will realize youve split other side circle Most fliers expect flying certain portion circle Dont practice make real attempt change position maneuvers Go around little farther start outside loop best fliers dont anything twiceat least no recognizes second time Charlie Johnson 3716 Ingraham St San Dzego CA 92109 CL ScalelGretz Continued page 52 Ill confess having puzzled few years back heard referred GoodyearFG Corsair thought correct nomenclature Chance VoughtF4UCorsair Salvatore Amicos photo model Corsair prompted -esearch true scale facts again Chance Vought company did indeed design develop build Corsair F4U-lD widely used version war 2250 hp top speed 425 mphIn order keep up demand battlefield further production F4U licensed Brewster Aircraft Goodyear companies aircraft turned Out identical F4U-lDs though Brewster Goodyear different designations products production ceased final tally Chance Vought F4U-l 7830 Brewster F3A-lD 735 Goodyear FG-1D 4017 Total production 12582 Regardless plant came Corsairs effectiveness combat legendary destroyed 2140 Japanese aircraft losing 189 own kill-loss ratio 113 1 Before war over Japanese referring Corsair Whist ling Death Mike Gretz Box 162 Montezumn IA 50171 Safety Preston Continued page 53 inspections can worth lot hours enjoy able flight same set rotor blades hobby/sport RC Helicopters can very rewarding machine under total controlat times Ed Farabaugh have friend carries scar hand attests Eds statement Helicopters can dangerous Dont underestimate hazard 1 20 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slois 4 Sizes Balsa 5 V E $250 CL Combat/Johnson Continued page 51 RIC HELICOPTER BREAKTHROUGH Learning properly set up fly R/G Helicopter has difficult say least unless someone experience set up spent hours training fly Now Available Complete Setup Flight Training cassettes first lift off aerobatics Rank beginners using method have learned hover less gallon fuel Available *z 2594 North Orange Blossom Trail ndo Florida 32804 305 422 1531 Res305-647-1335 [IInu EngineIKITS S PLANS 0 ACCESSORIES Make UBUE Diesel 1 iRARACS,4jP-NUT KITS NYLON BEARINGS Usable Power Greater EconomytCa mr4cBROWN CO-2 ENGINES 14A 1/4 Scale Power ~ L JAPANESS TISSUE-PROPS Send 4O & Stamped 0 free Brochure 449 MANY HARD TO FIND ITEMS IAddressed Envelope17 SPAN 4COMPLETECATALOG$100 l1 Davis Diesel Development Inc-po BOX 108A STATENIS NY 10306 Dealer Inquiry InvItedLEISURE TIME GRAPHICS BOX 141 Mllford CT 06460W BOX 2498 AMLA MESA CALIF 92041 Helicopter because its lack translational velocity during hover rotor possesses enough kinetic energy some real damage should come contact As postscript column word warning fliers ducted fan powered models recently learned modeler now missing two joints middle finger result contact fan adjusting engine needle valve extremely careful during type operation better still consider adding extension needle valve can adjusted exterior model Experience wonderful thing enables recognize mistake make again Seen Pat Wickert sugar package Sky-Nauts annual banquet might agree statement would rather didnt make mistake first place See next month John Preston 7012 Elvira Court Falls Church Va 22042 CLWC Gen/Jackson Continued page 54 cars gone ahead main group ran afoul road conditions ended up Polish landscape its occupants model equipment much wetter experience Fortunately alt dam age resulting delay put everyone bed about 4 am Wroclaw Poland However tone seemingly set incident rainy weather near misses appeared norm rest stay following day trig Czestochowa completed registered settled comfortably large student dormitories town Living eating arrangements high standard throughout stay probably fed meat local citizens what recent meat shortage aside occasional cold shower rooms quite comfortable Unfortunately facilities training practice flights less satisfactory Al though local organizers done best arrange adequate practice areas few coun tries have number large parking lots actual contest site still being finished off-limits us main practice area Aerobatics Team Racing parking area next large high-rise housing development resulting hordes small children foot bicycles being attracted area As kids likely country crowded around models modelers frequently darted through circle just before ready launch no hurt matter good luck think good management rain came down depressing regular ity boot winds blew rather fiercely times Evenings spent drying shoes clothes repairing models well frantic conferences about what propeller might give some additional speed fuel tank worked New Jersey didnt work Poland fairly normal activity World Championships signs pointed toward US teams being good positions welL Aerobatics team strong usual seemed certain win teem title open question appeared would win individual title Speed team also seemed strong Luke Roy posting very fast time practiceusing less best equipment other two Charles Lieber Bob Spahr suffering assorted iMs thought would get sorted out time Team Racers appeared running expected AlbrittomPerkins circulating consistently high speed McCollum/Kusik running fast some inconsistency Jackson/Nelson going slow steady Combat team harder predict especially Paul Curtis coming last-minute sub stitute additional disadvantage having familiar pitmen George Cleveland Phil Granderson looked ready however high hopes opening day contest site itself situated sports stadium apparently used motorcycle racing Combat flown two large grass circles within stadium plenty area pits helpers spectators Speed Team Race circles immediately outside appeared permanent sites completely enclosed fencing timer stands line pit areas individual pit cages team Aerobatics area around stadium end converted parking area roped-off circle fairly open some turbulence-inducing obstacles near circle surfaces good asphalt well marked off respective events Continued page 123 IN MEMORIAM L GONZOPH 2 NO 3196 APRIL 281924 AUGUST 12 1980 .A GREAT MODEL BUILDER SADLY MISSED BY HIS FAMILY AND FRIENDS -¶RJ ej November 1980 1 21